.admin-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.8);
  box-shadow: var(--shadow-sm);
}

.nav-content {
  max-width: 1800px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-left {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.nav-logo {
  background: none;
  border: none;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem 0;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-logo:hover {
  color: var(--apple-blue);
}

.nav-right {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.user-info {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  padding: 0.5rem 0;
}

.nav-btn {
  padding: 0.625rem 1.25rem;
  border: none;
  border-radius: var(--radius-full);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: transparent;
  color: var(--text-primary);
}

.nav-btn:hover {
  background: var(--gray-100);
}

.nav-btn:active {
  transform: scale(0.96);
}

.logout-btn {
  background: var(--gray-100);
  color: var(--apple-red);
}

.logout-btn:hover {
  background: rgba(255, 59, 48, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .nav-content {
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .nav-logo {
    font-size: 1rem;
  }

  .user-info {
    display: none;
  }

  .nav-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
}
